Tiny, shapeless invaders can find their way from ponds to the human brain and cause an infection so severe that it has a 95% fatality rate. The amoeba Naegleria fowleri naturally lives in ponds, ...

A video capturing the movement of Arcella as it travels across a glass surface. The scale bar represents 50 μm, and the playback speed is 10×. An international team of researchers led by Hokkaido ...